<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
        <script src="../js/vue.js"></script>
    </head>
    <body>
        <div id="demo">
            <input type="text" name="" v-model.trim="username">
            <input type="text" name="" v-model.lazy="username">
            <input type="text" name="" v-model.lazy.trim="username">
            <input type="text" name="" v-model.number="age">
        </div>
        <script>
            new Vue({
                el:'#demo',
                data:{
                    username:'atguigu',
                    age:20
                }
            })
        </script>
    </body>
</html>